Jonathan Davidson

Jonathan Davidson is a lawyer and former U.S. government official who most recently served as the chief of staff of the United States Department of Homeland Security from August 2023 to January 2025. He previously served as the assistant secretary of the Treasury for legislative affairs from 2021 to 2023.

Life Davidson is a graduate of the University of North Carolina at Chapel Hill and the Georgetown University Law Center. He clerked for chief judge William K. Sessions III of the United States District Court for the District of Vermont. He played a role in the passage of the child tax credit portion of the American Rescue Plan Act of 2021. In 2021, he was nominated by U.S. president Joe Biden to serve assistant secretary of the Treasury for legislative affairs, succeeding Brian T. McGuire. He helped lead the Treasury's efforts to pass and implement the Inflation Reduction Act and worked on a range of national security issues, including the Biden administration’s efforts in response to the Russian invasion of Ukraine and its push to diversify global supply chains.

On July 20, 2023, Davidson was named as the incoming chief of staff of the United States Department of Homeland Security, following the elevation of Kristie Canegallo to acting deputy secretary. He assumed the role in August 2023.